Before losing to Borussia Dortmund last time out, Koln once have got 4 successive wins in the league, and they also have won all of their recent 4 home league fixtures.
As for Freiburg, they have lost both of their last 2 home league games, but they have recorded 1 win and 1 draw in their recent 2 away league fixtures.
Koln have beaten Freiburg on away field in their 1st encounter this season, and they possess home field advantage this time. However, now the AH line is -0.50 for the hosts with long odds. So Koln fail to earn enough support from the bookies.
Therefore Freiburg are expected to remain unbeaten in this match.